稻瘿蚊是危害水稻的重要害虫之一 ,80年代在三明市开始复发 ,进入 90年代后已成为危害水稻最重要的病虫害之一。该虫繁殖力强 ,隐蔽危害 ,防治难度大 ,易造成绝收等严重损失 ,为了筛选高效低毒低残留的农药 ,于 1997～ 1999年 3ａ进行乐斯本防治稻瘿蚊药效试验 ,现将结果报告如 Rice gall midge is one of the most important pests that endanger rice. In the 1980s, it started to relapse in Sanming city and became one of the most important pests and diseases which endangered rice after it entered the 1990s. In order to screen pesticides with high efficiency, low toxicity and low residue, the fungus was tested for fungus efficacy against rice gall midge from 1997 to 1999. Results reported as